Identify the event that ignited sepoy discontent into a full scale mutiny

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a rumor that the troops' new rifle cartridges were greased with cow and pig fat

This treatment of their comrades enraged the sepoy troops and they went on a rampage, killing 50 European men, women, and children

Soon other Indians joined the revolt, including Indian princes whose land the British had taken

c) troops march forward in close formation against newer, more accurate weapons